Route 53 allows some duplicate domain names, but there is a maximum
number of duplicate names. This error indicates that you have reached
that maximum. If you want to create another hosted zone with the same
name and Route 53 generates this error, you can request an increase to
the limit on the Contact Us
page.

The VPC you are trying to disassociate from the hosted zone is the last
the VPC that is associated with the hosted zone. Route 53 currently
doesn't support disassociate the last VPC from the hosted zone.

Alias resource record sets only: A boolean value that indicates
whether this Resource Record Set should respect the health status of any
health checks associated with the ALIAS target record which it is linked
to.

The date and time the change was submitted, in the format
'YYYY-MM-DDThh:mm:ssZ', as specified in the ISO 8601 standard (for
example, 2009-11-19T19:37:58Z). The Z after the time indicates that
the time is listed in Coordinated Universal Time (UTC), which is
synonymous with Greenwich Mean Time in this context.

A complex type that contains the authoritative name servers for the
hosted zone. Use the method provided by your domain registrar to add an
NS record to your domain for each NameServer that is assigned to your
hosted zone.

Port on which connection will be opened to the instance to health check.
For HTTP and HTTP_STR_MATCH this defaults to 80 if the port is not
specified. For HTTPS and HTTPS_STR_MATCH this defaults to 443 if the
port is not specified.

The name of the domain. This must be a fully-specified domain, for
example, www.example.com. The trailing dot is optional; Route 53 assumes
that the domain name is fully qualified. This means that Route 53 treats
www.example.com (without a trailing dot) and www.example.com. (with a
trailing dot) as identical.

This is the name you have registered with your DNS registrar. You should
ask your registrar to change the authoritative name servers for your
domain to the set of NameServers elements returned in DelegationSet.

Weighted resource record sets only: Among resource record sets that
have the same combination of DNS name and type, a value that determines
what portion of traffic for the current resource record set is routed to
the associated location.

Failover resource record sets only: Among resource record sets that
have the same combination of DNS name and type, a value that indicates
whether the current resource record set is a primary or secondary
resource record set. A failover set may contain at most one resource
record set marked as primary and one resource record set marked as
secondary. A resource record set marked as primary will be returned if
any of the following are true: (1) an associated health check is
passing, (2) if the resource record set is an alias with the evaluate
target health and at least one target resource record set is healthy,
(3) both the primary and secondary resource record set are failing
health checks or (4) there is no secondary resource record set. A
secondary resource record set will be returned if: (1) the primary is
failing a health check and either the secondary is passing a health
check or has no associated health check, or (2) there is no primary
resource record set.

The date and time the health check status was observed, in the format
'YYYY-MM-DDThh:mm:ssZ', as specified in the ISO 8601 standard (for
example, 2009-11-19T19:37:58Z). The Z after the time indicates that
the time is listed in Coordinated Universal Time (UTC), which is
synonymous with Greenwich Mean Time in this context.